Universal drain adapter



FIG. 1 is a front perspective view of a universal drain adapter;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a back view thereof; and,

FIG. 8 is a bottom view thereof.

The left side view mirrors the right side view. 

CLAIM The ornamental design for a universal drain adapter, as shown and described. 